Truck step



FIG. 1 is a rear elevational view of a truck step;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a perspective view showing the truck step connected to a subsequent truck step; and,

FIG. 10 is a perspective view showing the truck step connected to a pair of subsequent truck steps.

The broken line showing of the subsequent truck step and the pair of subsequent truck steps is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a truck step, as shown and described. 